RADIO MASTER RP2 2.4ghz Nano Receiver User Manual

: August 31, 2024
: RADIO MASTER

Table of Contents

RP2 2.4ghz Nano Receiver
Specifications:
Product Usage Instructions:
Firmware Upgrade:
Configuration:
Receiver Setup:
Traditional Binding:
- FAQ:
What is the default firmware for the RP2 Receiver?
Where can I find more information about the product?

RP2 2.4ghz Nano Receiver

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Specifications:

Dimensions: 13117mm
Weight: 2.2g (with antenna), 2.2g (without antenna)
Chipset: ESP8285 SX1281
Frequency Range: 2400MHz-2483MHz
Operating Voltage: 5V
Protocol: CRSF ExpressLRS v3.0

Product Usage Instructions:

Firmware Upgrade:

To upgrade firmware, use a metal object to short-circuit the GND
while powering ON.

Configuration:

Configure the device as follows:

Identifier: USB VCP
Configuration/MSP: 115200
Serial RX: UART1, UART2 at 115200

Receiver Setup:

Set up the receiver as follows:

Receiver Mode: CRSF
Serial Receiver Provider: CRSF

Traditional Binding:

Power OFF your transmitter/radio.
Plug in and unplug your receiver 3 times.
Ensure the LED blinks quickly twice to indicate bind mode.
Power ON your transmitter/radio and press the [BIND] button on
the ExpressLRS Lua script to bind.
If the LED is solid, binding is successful.

FAQ:

What is the default firmware for the RP2 Receiver?

The default firmware is RadioMaster RP1/2 2400 RX.

Where can I find more information about the product?

For more information, visit the ELRS website: https://www.expresslrs.org/2.0/

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RP2 Receiver User Manual

13mm 1281
2340 45746 1.1
B OOT
ELRS
26.000 MH Z

ESP 8285
7$8*

2.4

TOP

GHZ

ceramic

antenna

LED

RP2
V1.2

YL520 AI 1e

RX TX 5V g

BOTTOM 11mm

2.2
GRAMS
7mm

SIDE
– 5V TX RX
Firmware upgrade button Use a metal object to short-circuit
the GND while powering ON.

SPECIFICATIONS

·Size: ·W eigh t: ·MCU: ·RF Chip: ·Frequency Band: ·Input Voltage: ·Receiver protocol: ·Firmware (pre-installed):

13117mm 2.2g (w/antenna) ESP8285 SX1281 2400MHz-2483MHz 5V CRSF ExpressLRS v3.0

I NCLUD ES
1x RP2 ELRS 2.4ghz Receiver 1x User Manual Card 4x Silicone wires
DEFAULT FIRMWARE RadioMaster RP1/2 2400 RX
For more information, please visit the ELRS website: https://www.expresslrs.org/2.0/

CONFIG UR AT ION

Identifier USB VCP

Configuration/MSP 115200

Serial RX

UART1 UART2

115200 115200

Open BetaflightConfigurator, go toPorts tab and enable the corresponding UART as a Serial RX (e.g. UART2 as shown above).Save and Resta. rt

Receiver
Serial (via UART)

Receiver Mode

· The UART for the receiver must be set to `Serial Rx’ (in the Ports tab) · Select the correct data format from the drop-down, below:

C R SF

Serial Receiver Provider

On the Configuration tab, click on Serial-based receiver on the Receiver panel, and select CRSF.

TRADITIONAL BINDING
Binding Phrase field must be uncommented in Device options on the RX.
1. Power OFF your transmitter/radio. 2. Plug in and unplug your receiver 3 times. 3. Make sure the LED is doing a quick double blink, which indicates
the receiver is in bind mode. 4. Power ON your transmitter/radio and use the [BIND] button
on the ExpressLRS Lua script, which sends out a binding pulse. 5. If the receiver has a solid light, it’s bound!

RP1 Receiver User Manual